package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.DishFlavor;
import com.sky.enumeration.OperationType;
import com.sky.result.PageResult;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     *
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /**
     * 新增菜品
     * @param dish
     */
    @AutoFill(value = OperationType.INSERT)
    void insert(Dish dish);

    /**
     * 分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);

    /**
     * 根据id查找菜品信息
     * @param id
     * @return
     */
    @Select("select * from sky_take_out.dish where id=#{id}")
    Dish select(Long id);


    /**
     * 根据id删除菜品
     * @param id
     */
    @Delete("delete from  sky_take_out.dish where id = #{id}")
    void deleteById(Long id);

    /**
     * 修改菜品状态
     * @param integer
     * @param id
     */
    @AutoFill(value = OperationType.UPDATE)
    @Update("update dish set status = #{integer} where id=#{id} ")
    void updateStatus(Integer integer, Long id);

    /**
     * 修改菜品
     * @param dish
     */
    @AutoFill(value = OperationType.UPDATE)
    void updateDish(Dish dish);

    List<Dish> list(Dish dish);
    //根据菜品状态查询菜品数量
    @Select("select COUNT(id) from sky_take_out.dish where status = #{status}")
    Integer queryByStatus(Integer status);
}
